Improvement in oscillating steam-engine



N. PETERS. PHOTC-LITHOGRAPHER. WASHINGTON. D

IMPROVEMENT IN OSCILLATING- STEAM-ENGINE.

The Schecule referred to in these Letters Patent and making part of the same.

To all whom lt may concern:

Be it known that I, F. C. RICHER, of Gilmer, Upshur county, Texas, have invented a new and improved Stcam-Engine; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the ait to make and use the same, reference being had to the accompanying drawings, forming part of this specitication, in which Figure vl representsa side elevation of myimproved steam-engine.

Figure 2 is a plan or top view of the same.

Figure 3 is a vertical transverse section of the same, the plane of section being indicated by the line x x, fig. 2. l

Similar letters of reference indicate corresponding parts.

This invention relates to certain improvements in that class of steam-engines in which an oscillating cylinder for moving the driving-shaft is employed; and

The invention consists in a novel construction of parts of the machinery, as will be hereinafter morefully described.

A,in the drawing, represents the steam-cylinder, which is of ordinary or suitable size,and of the ordinary cylindrical form, to retain a reciprocating piston, whose rod, B, is directly connected with the crank, a., ofthe driving-shaft G.

From the sides ot thecylinder project hollow trunnions, l) and c, which are supported on lugs or boxes d rl, that project from the frame or bed D of the engine.

These tiunnions have flanges, as indicated in fig. 3, so that they will not be allowed to move longitudinally i i their bearings, while they are at liberty to oscillate in the same.

The openings in the outer ends of the trunnions flare outward, so that they can receive hollow conical plugs c c, that are secured to platesj', that are firmly sicured, by means of screws or bolts g, to the outer sides ofthe boxes (l, asshown.

The steam-injection pipe E enters and is fastened to the cone c of the trunnion b, while the exhaust-pipe F is connected -with the plug e ofthe trunnion c.

The conical plugs allow the cylinder to oscillate on its trnnnions, and produce a steam-tight joint, and a steam communication between the pipes E F and the hollow trunnions. They can, by means of the screws g, be adjusted steam-tight when woi'n.

'lhe porfin-ation of the inlet-trunnion l) communica-tes with a channel, h, which is arranged in a pipe littcdto or cast on the cylinder, and which leads into a steam-chest, G, that is placed upon the cylinder A,

as shown.

'The bed or frame I) isl made of suitable form, and is hollow, to form a water-box, as shown clearly in tio. 3.

The exhaust-pipe F, which receives the steam from c. Brenna, or

Letters Patent No. 92,363, dated July 6, 1869.

the box G through a channel, i, that communicates.v

GILMER, Tnx-As.

with the trunnion c, leads into the box D, and discharges the steam into the same.

In the box G is a sliding valve, H, which restsand moves on a straight surface, j, formed in the bottom, of the box.

On each end of the valve H are two suspended lugs or bars, la lt, that are some distance apart, towork over the steam-ports lm and exhaust-ports n.

Au' arbor', o, has its bearings in one sidel of the box G, and is, by a crank, p, outside, connected with a pitman, q, that works by an eccentric, r, ofthe rotating shaft C. v

The arbor o receives thus oscillating motion on its own axis, and transmits it to a crank, s, which is snspended from it within the box G, into a groove of the slide-valve; thereby the said slide-valvel receives its reciprocating motion.

lVhile the piston is moved forward, the rear port m is open, and communicatesv with the upper steamchamber of the box G, while the front port l is, between the lugs lc, connected with the exhaust-channel t', as is clearly shown in fig. 1.

When the piston is at the end of its forward stroke, the valve H will be moved back to connect the port m with the channel fl, while the port l will receive steam from the inlet-pipe.

The motion of the slide-valve, although continuous, does not affect; the opening and closing ofthe ports, as the pivot o of the valves swings with the cylinder around the trunnions l) c.

Two pumps, I J, are arranged on the box D, in the vicinity of the exhaust-pipe. Each of these pumps has a reciprocating piston, whose rod, t, is fastened to an arm, u, projecting from a sliding plate, L, that rests upon the surface of the box D.

j The slides L L receive their reciprocratiug motion by means of cams o of t-he shaft G, and impart it to the pistons of the pumps I J. V

The pump I draws cold water from asuitable reservoir, through a pipe, w, andinjects the saine through a pipe, x, into the box D, so as to condense the exhaust steam in said box. v The exhaust steam serves that is forced into the box. This water is, by the other pump, J, withdrawn in a pipe, y, and forced through a pipe, z, into'the boiler.

By thus utilizing the heat of the exhaust steam,. considerable fuel will be economzed.

Having thus described my invention,

What I claim as new, and-desire to secure by Letters Patent, is v The construction of the oscillating cylinder A, the

thus to heat the water pipes E F, ports lt, hollow bed d, steam-chest G, valve H, and pumps I and J, all arranged substantially as herein shown and described.

Witnesses: F. O. HIGHER. FRANK BLocxLnr, Y ALEX. F. ROBERTS. 

